content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ------------------------
   * TextAnnotationTests.java
   * ------------------------
   * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   Martin Hoeller;
   *
   * Changes
   * -------
   * 19-Aug-2003 : Version 1 (DG);
   * 07-Jan-2005 : Added testHashCode() method (DG);
   * 28-Oct-2011 : Added testSetRotationAnchor() method for bug #3428870 (MH);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   * 
   */
  
  package org.jfree.chart.annotations;
  
  import org.jfree.chart.ui.TextAnchor;
  import org.junit.jupiter.api.Test;
  
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * Tests for the {@link TextAnnotation} class.
   */
  public class TextAnnotationTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          TextAnnotation a1 = new CategoryTextAnnotation("Test", "Category", 1.0);
          TextAnnotation a2 = new CategoryTextAnnotation("Test", "Category", 1.0);
          assertEquals(a1, a2);
  
          // text
          a1.setText("Text");
          assertFalse(a1.equals(a2));
          a2.setText("Text");
          assertEquals(a1, a2);
  
          // font
          a1.setFont(new Font("Serif", Font.BOLD, 18));
          assertFalse(a1.equals(a2));
          a2.setFont(new Font("Serif", Font.BOLD, 18));
          assertEquals(a1, a2);
  
          // paint
          a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.pink));
          assertFalse(a1.equals(a2));
          a2.setPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.pink));
          assertEquals(a1, a2);
  
          // textAnchor
          a1.setTextAnchor(TextAnchor.BOTTOM_LEFT);
          assertFalse(a1.equals(a2));
          a2.setTextAnchor(TextAnchor.BOTTOM_LEFT);
          assertEquals(a1, a2);
  
          // rotationAnchor
          a1.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
          assertFalse(a1.equals(a2));
          a2.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
          assertEquals(a1, a2);
  
          // rotationAngle
          a1.setRotationAngle(Math.PI);
          assertFalse(a1.equals(a2));
          a2.setRotationAngle(Math.PI);
          assertEquals(a1, a2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashCode() {
          TextAnnotation a1 = new CategoryTextAnnotation("Test", "Category", 1.0);
          TextAnnotation a2 = new CategoryTextAnnotation("Test", "Category", 1.0);
          assertEquals(a1, a2);
          int h1 = a1.hashCode();
          int h2 = a2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Test null-argument (Bug #3428870).
       */
      @Test
      public void testSetRotationAnchor() {
          TextAnnotation a = new CategoryTextAnnotation("Test", "Category", 1.0);
          try {
              a.setRotationAnchor(null);
              fail("Should have thrown Exception.");
          } catch (IllegalArgumentException e) {
              assertEquals("Null 'anchor' argument.", e.getMessage());
          }
      }
  }
  